Chevrolet Corvette Service Bulletins
4,221 manufacturer communications on file.
- August 12, 2026•Document ID: 11036219Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6503C
- Date Added:
- August 17, 2026
- Manufacturer:
- GMC
SummaryThis preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
Associated Products (42)2026 Buick Enclave2026 Buick Envision2026 Cadillac CT52026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Sierra2026 GMC Terrain2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Lyriq+ 22 moreAssociated Documents - August 5, 2026•Document ID: 11035785Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N252541251-01
- Date Added:
- August 5, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.
Associated Products (3)Associated Documents - August 3, 2026•Document ID: 11036194Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6512A
- Date Added:
- August 14, 2026
- Manufacturer:
- BUICK
SummaryThis PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.
Associated Products (71)2027 Chevrolet Bolt EV2026 Buick Enclave2026 Buick Envision2026 Cadillac Celestiq2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia+ 51 moreAssociated Documents - July 30, 2026•Document ID: 11035710Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6517C
- Date Added:
- August 5, 2026
- Manufacturer:
- CADILLAC
SummaryThis PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
Associated Products (34)2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Equinox2027 GMC Terrain2026 Buick Enclave2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet BrightDrop2026 Chevrolet Colorado2026 Chevrolet Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Tahoe2026 Chevrolet Traverse+ 14 moreAssociated Documents - July 21, 2026•Document ID: 11035340Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5099J
- Date Added:
- July 29, 2026
- Manufacturer:
- CHEVROLET
SummaryPI to help diagnose A/C concern
Associated Products (505)2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop+ 485 moreAssociated Documents - July 17, 2026•Document ID: 11035134Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6089B
- Date Added:
- July 21, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information advises dealers that engine part numbers 12731949, 12739909 and 12716295 have been placed on restriction. Dealers are instructed to order these engines through the Technical Assistance Center.
Associated Products (5)Associated Documents - July 16, 2026•Document ID: 11035432Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.30
- Date Added:
- August 1, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display
Associated Products (1)Associated Documents - July 16, 2026•Document ID: 11035431Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.10
- Date Added:
- August 1, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issues.
Associated Products (1)Associated Documents - July 16, 2026•Document ID: 11035429Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.20
- Date Added:
- August 1, 2026
- Manufacturer:
- CHEVROLET
Summary• Fixes to help ensure successful vehicle software updates. • Improves how center display adjusts to lighting changes. • Improved warnings when a key is missing. • Better tuning for interior lighting in Stealth mode. Improvements to automatic low beam headlamp logic. • Smoother dimming and transitions from day to night. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance features and fewer notifications or warnings. • Fixes to help ensure driver assistance features remain functional when the windshield freezes. • Fixes to help prevent loss of Performance Data Recorder functionality and to protect battery health. • The Transmission Fluid Life gauge will reset properly and show a more accurate reading. • The eAWD indicator will activate less frequently during normal driving conditions. • Fixes a known iPhone 15 charging issue that affects some devices
Associated Products (1)Associated Documents - July 15, 2026•Document ID: 11035022Service CampaignEXTERIOR LIGHTING
- Mfr Comm. #:
- N252541251
- Date Added:
- July 15, 2026
- Manufacturer:
- CHEVROLET
SummaryCertain vehicles listed above may have a condition in which drivers may not be notified of a rear turn-signal lamp failure. GM will update software calibrations in the vehicle’s exterior lighting control module. For vehicles that are capable of receiving software changes using wireless over-the-air (OTA) technology, owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes via OTA without having to bring their vehicle to a dealership. Alternatively, all owners may have the updates performed at a GM dealer.
Associated Products (1)Associated Documents - July 14, 2026•Document ID: 11035128Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6517B
- Date Added:
- July 21, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI advise dealers If U3000 is present, follow the correct service doc by Symptom Byte before contacting PQC; if not present, verify the camera is clean, then contact PQC if no issue is found.
Associated Products (8)Associated Documents - July 8, 2026•Document ID: 11034980Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6075A
- Date Added:
- July 13, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI communicates that part number 24286725 has been placed on engineering part restriction.
Associated Products (2)Associated Documents - July 7, 2026•Document ID: 11034973Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6124
- Date Added:
- July 13, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information informs dealers that the 2027 6.7L RPO LS6 engine is on an exchange program. Dealers are instructed to contact the Product Quality Center to order an engine assembly.
Associated Products (1)Associated Documents - June 29, 2026•Document ID: 11034780Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6654
- Date Added:
- July 7, 2026
- Manufacturer:
- CHEVROLET
SummaryThe purpose of this PIC is to assist dealership technicians in diagnosing a HUD image that may not be viewable on vehicle startup.
Associated Products (1)Associated Documents - June 25, 2026•Document ID: 11034069Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.30
- Date Added:
- June 26, 2026
- Manufacturer:
- CHEVROLET
Summary• Fixes to help ensure responsiveness for the driver display and rear view camera. • Improvements to reliability for alerts and chimes.
Associated Products (1)Associated Documents - June 25, 2026•Document ID: 11034070Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.30
- Date Added:
- June 26, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display
Associated Products (1)Associated Documents - June 24, 2026•Document ID: 11034071Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.30
- Date Added:
- June 26, 2026
- Manufacturer:
- CHEVROLET
Summary• Fixes to help ensure successful vehicle software updates. • The active cabin ventilation feature will operate more reliably. • Additional protection for the health of your battery and updates to help prevent excessive battery drain and overheating. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance features and fewer notifications or warnings. • Fixes to help ensure driver assistance features remain functional when the windshield freezes. • Fixes to help prevent loss of Performance Data Recorder functionality and to protect battery health. • The Transmission Fluid Life gauge will reset properly and show a more accurate reading. • The eAWD indicator will activate less frequently during normal driving conditions. • Fixes a known iPhone 15 charging issue that affects some devices
Associated Products (1)Associated Documents - June 23, 2026•Document ID: 11034769Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5966F
- Date Added:
- July 7, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
Associated Products (232)2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet BrightDrop+ 212 moreAssociated Documents - June 23, 2026•Document ID: 11034072Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.10
- Date Added:
- June 26, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to OnStar through enhancements for charging, Super Cruise, remote start, and collision notification. • Fixes to address connectivity issues.
Associated Products (1)Associated Documents - June 19, 2026•Document ID: 11034073Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 662.20
- Date Added:
- June 26, 2026
- Manufacturer:
- CHEVROLET
Summary• Improvements to audio quality when using Google Assistant. • Additional protection for the health of your battery and updates to help prevent excessive battery drain and overheating. • Improvements will support successful software updates for your vehicle and allow you to access new features and fixes. • Improves traction and stability control when accelerating or on uneven terrain. • Improves braking and stopping performance on low-traction surfaces. • Improves the performance of assisted braking features. • Improvements to emissions testing data • Improvements to shifting performance and fewer check engine light activations. • Improvements to eAWD indicator behavior • Improved starting reliability when your vehicle was turned off without being shifted to Park
Associated Products (1)Associated Documents